| <table border="1"> | |
| <tr><td>Year</td><td>Cities participating</td><td>Total observations</td><td>Total species</td><td>Total participants</td><td>Results page</td></tr> | |
| <tr><td>2016</td><td>2</td><td>19,742</td><td>3,152</td><td>1,018</td><td>-</td></tr> | |
| <tr><td>2017</td><td>16</td><td>Over 125,000</td><td>8,600</td><td>Over 4,000</td><td>-</td></tr> | |
| <tr><td>2018</td><td>68</td><td>442,518</td><td>Over 18,000</td><td>17,329</td><td>-</td></tr> | |
| </table> | |