Year	number of people
1989	50
1990	652
1991	68
1992	899
1993	120
1994	156
1997	97
1998	34
1999	394
2000	989
2001	226
2002	294
2003	37
2004	50
2005	100
2006	1250
2007	69
2008	991
2009	135
2010	4
2015	275
2017	57
2018	150
2019	144
2020	196
2021	486
2022	45