Year,SSB_mmt,R_mnum
1962,298.218,178.178
1963,302.204,205.988
1964,316.138,360.444
1965,335.921,991.394
1966,370.182,1810.59
1967,444.874,5853.03
1968,830.78,1459.17
1969,1363.65,2271.61
1970,1595.94,840.049
1971,1649.84,1171.37
1972,1702.46,1149.12
1973,1232.66,1847.44
1974,937.695,2161.91
1975,722.828,521.63
1976,662.745,164.732
1977,677.078,108.962
1978,781.903,492.623
1979,803.025,144.036
1980,797.684,422.503
1981,774.038,1238.94
1982,779.491,3414.16
1983,858.714,265.425
1984,1091.05,215.585
1985,1359.02,291.244
1986,1298.59,285.228
1987,1148.5,827.529
1988,1069.98,1283.55
1989,961.606,524.992
1990,1029.83,771.182
1991,1247.15,760.394
1992,1268.87,231.288
1993,1161.18,690.639
1994,1083.99,766.257
1995,1057.13,651.836
1996,1143.53,938.167
1997,1171.52,647.569
1998,1194.2,806.915
1999,1262.61,5035.6
2000,1327.62,1088.03
2001,1847.91,804.297
2002,2265.87,1758.13
2003,2353.68,2794.35
2004,2323.05,