Year Gross Sales Government Revenue
1974 268,834,329 31,802,756.00
1975 351,106,999 37,258,113.24
1976 374,842,330 41,560,643.34
1977 430,679,326 95,507,132.00
1978 356,501,974 79,054,313.73
1979 373,915,575 82,915,778.76
1980 397,609,208 88,169,841.87
1981 438,631,532 97,266,542.22
1982 472,093,797 104,686,799.48
1983 486,876,746 107,964,918.43
1984 551,194,389 122,227,355.76
1985 615,277,274 136,437,735.51
1986 676,543,535 150,023,528.88
1987 758,740,440 136,118,146.39
1988 1,125,515,081 165,492,379.09
1989 1,396,680,274 207,256,754.22
1990 1,725,468,116 258,184,067.42
1991 2,109,576,324 318,720,819.84
1992 2,285,051,391 344,227,945.01
1993 2,293,446,832 349,472,797.40
1994 2,221,554,741 406,276,466.21
1995 2,364,321,029 436,115,377.52
1996 2,687,283,271 495,699,078.11
1997 2,872,915,545 528,770,702.75
1998 3,764,885,566 687,859,879.92
1999 4,118,105,175 751,668,282.49
2000 4,587,691,858 838,266,840.67
2001 5,919,571,551 880,661,411.39
2002 6,798,253,732 1,005,122,739.77
2003 7,533,932,683 1,117,217,309.64
2004 8,653,288,556 1,290,767,356.83
2005 9,031,285,970 1,350,113,653.13
2006 8,780,493,118 1,356,190,083.95
2007 8,883,379,737 1,438,981,106.92
2008 7,952,458,317 1,298,325,379.62
2009 7,715,839,013 1,278,617,262.73
2010 7,997,489,261 1,353,705,605.35
2011 7,901,260,106 1,406,895,024.96
2012 7,553,371,052 1,387,739,644.64
2013 7,780,482,078 1,313,016,821.58
2014 8,225,594,774 1,448,278,346.33
2015 7,712,272,469 1,330,874,052.34
TOTAL 158,544,315,074 26,355,510,795.44