Year | Native | Non-Native |
---|---|---|
1986
|
61.4
|
9.8
|
1987
|
73.9
|
16.7
|
1988
|
89.5
|
16.2
|
1989
|
76.9
|
17.5
|
1990
|
56.8
|
18.3
|
1991
|
79.3
|
18.5
|
1992
|
58.2
|
15.1
|
1993
|
53
|
14.8
|
1994
|
67
|
16.6
|
1995
|
45.4
|
22.3
|
1996
|
30
|
17.4
|
1997
|
52.6
|
13.9
|
1998
|
59.7
|
18.3
|
1999
|
58
|
11.5
|
2000
|
49.5
|
13.2
|
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