The data displays the number of participants in wildlife viewing in the U.S. from 2006 to 2017. In 2017, there were approx. 20.35 million participants in wildlife viewing in the United States, down from 20.75 million the previous year.
2006 | 20.29 |
2007 | 22.97 |
2008 | 24.11 |
2009 | 21.29 |
2010 | 21.03 |
2011 | 21.96 |
2012 | 23 |
2013 | 21.36 |
2014 | 21.11 |
2015 | 20.72 |
2016 | 20.75 |
2017 | 20.35 |