Year	Number of Firms
1992-01-01	11
1997-01-01	49
2002-01-01	78
2003-01-01	84
2004-01-01	80
2005-01-01	95
2006-01-01	116
2007-01-01	124
2008-01-01	154
2009-01-01	127
2010-01-01	160
2011-01-01	158
2012-01-01	146
2013-01-01	129
2014-01-01	137
2015-01-01	154
2016-01-01	153