Year | Actual | Forecast | Year | Actual | Forecast | Year | Actual | Forecast |
1980 | 2994 | 2944 | 1993 | ------- | 5663 | 2006 | ------- | 10,894 |
1981 | 3038 | 3095 | 1994 | ------- | 5955 | 2007 | ------- | 11,457 |
1982 | 2614 | 3255 | 1995 | ------- | 6263 | 2008 | ------- | 12,048 |
1983 | 3667 | 3423 | 1996 | ------- | 6586 | 2009 | ------- | 12,670 |
1984 | 3927 | 3600 | 1997 | ------- | 6926 | 2010 | ------- | 13,324 |
1985 | 3691 | 3786 | 1998 | ------- | 7283 | 2011 | ------- | 14,012 |
1986 | 4479 | 3981 | 1999 | ------- | 7659 | 2012 | ------- | 14,735 |
1987 | 4336 | 4187 | 2000 | ------- | 8055 | 2013 | ------- | 15,495 |
1988 | 5041 | 4403 | 2001 | ------- | 8471 | 2014 | ------- | 16,295 |
1989 | 3992 | 4630 | 2002 | ------- | 8908 | 2015 | ------- | 17,136 |
1990 | 5602 | 4869 | 2003 | ------- | 9368 | 2016 | ------- | 18,021 |
1991 | 4245 | 5121 | 2004 | ------- | 9851 | 2017 | ------- | 18,951 |
1992 | ------- | 5385 | 2005 | ------- | 10,360 | 2018 | ------- | 19,929 |