"Figure 3-2 
Producer Price Index: Transportation Services by Mode (Monthly data, not seasonally adjusted)",,,,,,,,,
,Motor freight,Air,Water,Railroads,,,,,
Jan-92,,,,,,,,,
Feb-92,,,,,,,,,
Mar-92,,,,,,,,,
Apr-92,,,,,,,,,
May-92,,,,,,,,,
Jun-92,,,,,,,,,
Jul-92,,,,,,,,,
Aug-92,,,,,,,,,
Sep-92,,,,,,,,,
Oct-92,,,,,,,,,
Nov-92,,,,,,,,,
Dec-92,,95.7,100.3,99.5,,,,,
Jan-93,,99.1,100.5,99.7,,,,,
Feb-93,,99.7,100.5,99.7,,,,,
Mar-93,,99.8,100.0,99.8
Apr-93,,100.0,100.4,99.8
May-93,,100.0,100.2,99.9
Jun-93,100.0,100.0,100.0,100.0
Jul-93,99.5,100.7,100.5,100.1
Aug-93,99.9,101.4,99.3,100.1
Sep-93,99.9,101.7,99.3,100.1
Oct-93,100.0,103.3,100.2,100.4
Nov-93,100.1,103.9,99.9,100.5
Dec-93,100.2,103.5,99.4,100.5
Jan-94,100.6,104.5,98.7,100.7
Feb-94,101.1,103.4,98.8,100.8
Mar-94,101.3,103.8,98.8,101.1
Apr-94,101.5,103.3,99.8,101.1
May-94,101.7,103.3,100.2,101.1
Jun-94,101.9,104.4,99.4,101.1
Jul-94,102.1,104.3,99.8,101.0
Aug-94,102.2,104.3,100.4,101.0
Sep-94,102.3,103.8,100.6,100.8
Oct-94,102.7,103.6,103.2,100.9
Nov-94,102.7,103.4,101.7,100.9
Dec-94,102.9,103.3,101.9,100.9
Jan-95,103.1,103.4,102.9,101.1
Feb-95,104.2,104.9,103.1,100.8
Mar-95,104.4,105.4,102.9,100.9
Apr-95,104.3,105.3,102.3,100.9
May-95,104.4,108.3,102.6,101.0
Jun-95,104.7,109.2,102.5,100.9
Jul-95,104.4,110.2,102.7,100.6
Aug-95,104.8,110.8,103.6,100.8
Sep-95,104.7,112.1,104.8,100.8
Oct-95,104.9,112.2,104.5,100.8
Nov-95,104.9,112.9,104.0,100.7
Dec-95,104.7,110.9,104.3,100.6
Jan-96,105.1,112.2,104.2,100.5
Feb-96,105.9,114.0,104.1,100.6
Mar-96,105.8,114.7,104.5,100.6
Apr-96,105.9,115.0,104.1,100.6
May-96,106.0,115.6,103.3,100.5
Jun-96,106.9,116.2,103.2,100.5
Jul-96,106.2,117.2,103.3,100.5
Aug-96,106.4,116.6,103.3,100.5
Sep-96,106.6,116.7,104.1,100.5
Oct-96,106.9,117.1,104.9,100.8
Nov-96,107.1,118.2,104.8,100.6
Dec-96,107.2,117.4,104.5,100.6
Jan-97,108.0,123.3,104.4,100.5
Feb-97,108.5,123.3,104.5,100.6
Mar-97,108.6,119.2,104.4,100.7
Apr-97,108.8,119.7,104.5,100.7
May-97,108.8,119.7,104.6,100.8
Jun-97,109.0,120.8,105.1,101.3
Jul-97,109.1,121.1,104.7,101.4
Aug-97,109.3,120.0,105.0,101.4
Sep-97,109.4,117.2,104.1,101.5
Oct-97,109.3,118.4,104.9,101.5
Nov-97,109.0,118.1,104.4,101.6
Dec-97,109.4,118.0,103.6,101.6
Jan-98,110.5,117.3,103.3,102.4
Feb-98,110.6,118.4,103.0,102.4
Mar-98,110.7,118.4,102.6,102.3
Apr-98,110.9,118.9,102.5,102.3
May-98,111.3,118.9,105.6,102.4
Jun-98,111.5,118.9,106.4,102.3
Jul-98,111.9,118.9,108.2,102.4
Aug-98,112.1,118.9,108.4,102.4
Sep-98,112.4,119.8,109.2,102.4
Oct-98,112.6,120.0,108.7,102.3
Nov-98,112.5,120.7,107.6,102.2
Dec-98,112.7,121.1,106.0,102.2
Jan-99,113.6,121.1,106.3,101.6
Feb-99,113.9,122.9,106.3,101.7
Mar-99,114.1,123.3,106.1,101.6
Apr-99,114.2,124.0,106.3,101.7
May-99,114.3,124.4,114.7,102.2
Jun-99,114.6,125.3,117.2,102.1
Jul-99,114.8,125.7,117.8,102.1
Aug-99,115.1,126.0,117.6,102.1
Sep-99,115.8,126.1,117.7,102.3
Oct-99,115.5,127.4,117.1,102.3
Nov-99,115.5,127.7,117.1,102.3
Dec-99,115.8,128.4,116.4,102.3
Jan-00,116.5,134.9,116.8,102.8
Feb-00,117.0,135.5,117.4,102.8
Mar-00,118.1,138.1,118.2,102.9
Apr-00,118.2,139.1,119.0,102.8
May-00,118.6,139.7,124.2,103.0
Jun-00,119.0,140.9,124.5,103.2
Jul-00,118.9,141.2,125.6,103.3
Aug-00,120.1,141.5,126.5,103.4
Sep-00,121.2,145.0,127.4,103.5
Oct-00,121.4,145.9,126.9,103.9
Nov-00,121.8,146.1,124.6,104.2
Dec-00,121.9,147.7,125.4,104.1
Jan-01,122.3,147.7,126.9,104.6
Feb-01,122.5,148.4,127.4,104.5
Mar-01,122.6,149.6,127.0,104.7
Apr-01,122.7,150.7,125.8,104.4
May-01,122.9,150.0,129.6,104.5
Jun-01,123.1,150.8,129.6,104.7
Jul-01,123.2,151.9,133.5,104.8
Aug-01,123.5,152.2,133.6,105.0
Sep-01,123.8,151.7,134.3,106.3
Oct-01,123.8,152.9,134.4,106.5
Nov-01,124.0,151.7,131.6,106.4
Dec-01,123.2,148.6,130.1,107.3
2-Jan,123.4,151.2,130.0,108.2
2-Feb,123.3,152.2,129.9,107.3
2-Mar,123.2,157.3,129.1,107.0
NOTE: Produce Price Index measures the average change over time in the selling prices received by domestic producers for their output.,,,,
"SOURCE: U.S. Department of Labor, Bureau of Labor Statistics, available at: http://www.bls.gov/ppi/ as of February 2002.",,,,
"• Producers’ price of water transportation service increased slowly during much of the 1990s. However, since early 1999, it has experienced dramatic increases, with a cumulative increase of 21 percent from March 1999 to March 2002.",,,,