Year	Number of Firms
1992-01-01	57
1997-01-01	108
2002-01-01	99
2003-01-01	91
2004-01-01	103
2005-01-01	108
2006-01-01	112
2007-01-01	121
2008-01-01	155
2009-01-01	141
2010-01-01	183
2011-01-01	186
2012-01-01	188
2013-01-01	204
2014-01-01	248
2015-01-01	217
2016-01-01	197