Year	Number of Firms
1992-01-01	49
1997-01-01	83
2002-01-01	59
2003-01-01	77
2004-01-01	95
2005-01-01	91
2006-01-01	93
2007-01-01	108
2008-01-01	119
2009-01-01	122
2010-01-01	133
2011-01-01	160
2012-01-01	178
2013-01-01	175
2014-01-01	197
2015-01-01	176
2016-01-01	159