obs G 2.数据 1978 3605.600 1377.900 1759.100 468.6000 1979 4092.600 1478.900 2011.500 602.2000 1980 4592.900 1599.700 2331.200 662.0000 1981 5008.800 1630.200 2627.900 750.7000 1982 5590.000 1784.200 2902.900 902.9000 G的数据采 1983 6216.200 2039.000 3231.100 946.1000 1984 7362.700 2515.100 3742.000 1105.600 用Y-I-C) 1985 9076.700 3457.500 4687.400 931.8000 1986 计算得到， 10508.50 3941.900 5302.100 1264.500 1987 12277.40 4462.000 6126.100 1689.300 不是实际数 1988 15388.60 5700.200 7868.100 1820.300 1989 17311.30 6332.700 8812.600 2166.000 据 1990 19347.80 6747.000 9450.900 3149.900 1991 22577.40 7868.000 10730.60 3978.800 1992 27565.20 10086.30 13000.10 4478.800 1993 36938.10 15717.70 16412.10 4808.300 1994 50217.40 20341.10 21844.20 8032.100 1995 63216.90 25470.10 28369.70 9377.100 1996 74163.60 28784.90 33955.90 11422.80 1997 81658.50 29968.00 36921.50 14769.00 1998 86531.60 31314.20 39229.30 15988.10 1999 91125.00 32951.50 41920.40 16253.10 2000 98749.00 34842.80 45854.60 18051.60 2001 108972.4 39769.40 49213.20 19989.80 2002 120350.3 45565.00 52571.30 22214.00 2003 136398.8 55963.00 56834.40 23601,40 2004 160280.4 69168.40 63833.50 27278.50 2005 188692.1 80646.30 71217.50 36828.30 2006 221651.3 94402.00 80476.90 46772.40 2007 263242.5 111417.4 93317.20 58507.90⒉数据 G的数据采 用(Y－I－C) 计算得到， 不是实际数 据