Year	Number
1960	-111478
1961	-176004
1962	-144522
1963	-184289
1964	-173533
1965	-186104
1966	-88973
1967	-68591
1968	-38322
1969	-49053
1970	-62613
1971	-100946
1972	-65527
1973	-25001
1974	86457
1975	461003
1976	1160872
1977	273825
1978	6296
1979	882288
1980	467972
1981	-18224
1982	292311
1983	270068
1984	158418
1985	-73250
1986	173017
1987	-86700
1988	-487966
1989	-229037
1990	-2012275
1991	-322443
1992	-263405
1993	731021
1994	-157334
1995	-106482
1996	-144006
1997	17793
1998	-23185
1999	-34533
2000	-4273
2001	-182158
2002	-87387
2003	-247339
2004	10402
2005	820217
2006	1327595
2007	1631375
2008	1470703
2009	1117576
2010	39096
2011	-864858
2012	-66311
2013	340149
2014	-184490
2015	-194516
2016	3140
2017	13305
2018	511128
2019	139844
2020	-1585167
2021	-458710
2022	308780
2023	298369