Year	Number
1960	-104776
1961	-161232
1962	-119123
1963	-148113
1964	-119514
1965	-126716
1966	-47491
1967	-52703
1968	-62530
1969	-87225
1970	-112017
1971	-187732
1972	-177663
1973	-153341
1974	-156318
1975	220543
1976	799505
1977	-84444
1978	-762346
1979	-69653
1980	45508
1981	1208661
1982	39072
1983	156423
1984	127547
1985	-81265
1986	150930
1987	-106986
1988	-102367
1989	17579
1990	744224
1991	-38104
1992	-366573
1993	-1138337
1994	-293378
1995	-293861
1996	-187407
1997	20370
1998	88196
1999	98231
2000	258325
2001	182404
2002	-625862
2003	114153
2004	298969
2005	161413
2006	77511
2007	-70843
2008	-102161
2009	-98267
2010	-17555
2011	-931183
2012	-379456
2013	-18548
2014	151572
2015	-217777
2016	-520948
2017	-667613
2018	50634
2019	-19956
2020	-55547
2021	-128598
2022	271784
2023	261373