Year	Number of Firms
1992-01-01	104
1997-01-01	142
2002-01-01	150
2003-01-01	169
2004-01-01	181
2005-01-01	186
2006-01-01	185
2007-01-01	184
2008-01-01	220
2009-01-01	217
2010-01-01	249
2011-01-01	269
2012-01-01	241
2013-01-01	274
2014-01-01	261
2015-01-01	281
2016-01-01	249