Year	Number of Firms
1992-01-01	31
1997-01-01	62
2002-01-01	93
2003-01-01	120
2004-01-01	128
2005-01-01	133
2006-01-01	120
2007-01-01	154
2008-01-01	149
2009-01-01	117
2010-01-01	132
2011-01-01	169
2012-01-01	173
2013-01-01	136
2014-01-01	184
2015-01-01	197
2016-01-01	192
