| S&P 500 | DOV | | 2019 - No data 2020 - No data 2021 - No data No data | 2019 - 416,755 2020 - 473,140 2021 - 424,695 Fluctuating | 2019 - No data 2020 - No data 2021 - No data No data | 2019 - 975,000 2020 - 835,000 2021 - 810,000 -17% | 2019 - No data 2020 - No data 2021 - No data No data | 2019 - 1.31 2020 - 1.05 2021 - No data No data |