Year	Number of Firms
1992-01-01	101
1997-01-01	132
2002-01-01	132
2003-01-01	136
2004-01-01	141
2005-01-01	154
2006-01-01	139
2007-01-01	148
2008-01-01	173
2009-01-01	144
2010-01-01	163
2011-01-01	165
2012-01-01	161
2013-01-01	172
2014-01-01	185
2015-01-01	169
2016-01-01	172