Percent Mares Bred by Stallion Covering Year
| Covering Year |
1st Year Stallions |
2nd Year Stallions |
3rd Year Stallions |
4th Year Stallions |
5th & Up Stallions |
| 2010 |
11.13 |
11.96 |
10.87 |
10.03 |
56.01 |
| 2011 |
12.05 |
9.75 |
10.63 |
10.48 |
57.09 |
| 2012 |
15.01 |
9.78 |
8.82 |
10.61 |
55.79 |
| 2013 |
13.46 |
14.48 |
8.88 |
8.26 |
54.92 |
| 2014 |
15.04 |
11.88 |
12.31 |
8.87 |
51.90 |
| 2015 |
13.93 |
14.81 |
10.50 |
11.95 |
48.82 |
| 2016 |
16.72 |
11.84 |
12.02 |
10.48 |
48.94 |
| 2017 |
14.50 |
13.96 |
10.11 |
10.60 |
50.83 |
| 2018 |
16.23 |
12.89 |
12.50 |
9.21 |
49.17 |
| 2019 |
17.78 |
11.64 |
10.36 |
11.03 |
49.18 |
| 2020 |
12.75 |
14.70 |
10.72 |
10.43 |
51.41 |
| 2021 |
18.58 |
9.85 |
10.93 |
10.89 |
49.75 |
| 2022 |
15.01 |
15.01 |
8.42 |
11.12 |
50.44 |
| 2023 |
19.72 |
10.81 |
12.15 |
7.73 |
49.59 |
| 2024 |
16.24 |
14.27 |
8.16 |
11.64 |
49.69 |
| 2025 |
16.86 |
12.05 |
11.48 |
8.48 |
51.13 |
Source: The Jockey Club
Last updated: Monday, February 9, 2026 (Data reflects Reports of Mares Bred received through this date)