Year	Number of Firms
1992-01-01	31
1997-01-01	36
2002-01-01	59
2003-01-01	64
2004-01-01	80
2005-01-01	84
2006-01-01	93
2007-01-01	114
2008-01-01	135
2009-01-01	141
2010-01-01	133
2011-01-01	139
2012-01-01	144
2013-01-01	147
2014-01-01	149
2015-01-01	136
2016-01-01	134