Year,SSB_kmt,R_mnum 1979,, 1980,46.7010,25.1240 1981,33.1520,21.9470 1982,34.4900,25.1260 1983,26.4320,13.1900 1984,20.8090,14.3890 1985,14.4460,18.4430 1986,11.1340,36.8390 1987,9.3320,53.3370 1988,7.5190,27.2020 1989,7.4510,33.1280 1990,8.3440,33.7670 1991,11.3650,41.0540 1992,12.8440,45.5540 1993,12.4070,44.7260 1994,12.2270,32.7490 1995,10.9610,34.2810 1996,12.3840,30.1020 1997,13.9630,31.5290 1998,15.9060,35.7220 1999,16.2480,18.4070 2000,16.8140,11.6980 2001,16.7750,32.3500 2002,15.2580,23.4920 2003,15.6940,54.8020 2004,14.1490,68.7080