لأكثر من 65 عاماً، قدم مقياس بيركمان للكثير (اشخاص ومنظمات) أداة قويه وموثقة من ادوات النجاح وذلك لمنهجه العلمي الفريد.
| Day | Members | Gain | % Gain |
|---|---|---|---|
| May 18, 2024 | 188 | -1 | -0.6% |
| February 25, 2024 | 189 | 0 | 0.0% |
| January 10, 2024 | 189 | 0 | 0.0% |
| November 27, 2023 | 189 | 0 | 0.0% |
| October 23, 2023 | 189 | +1 | +0.6% |
| September 23, 2023 | 188 | 0 | 0.0% |
| August 25, 2023 | 188 | -1 | -0.6% |
| July 23, 2023 | 189 | 0 | 0.0% |
| June 27, 2023 | 189 | 0 | 0.0% |
| March 24, 2023 | 189 | 0 | 0.0% |
| March 08, 2023 | 189 | +1 | +0.6% |
| November 15, 2022 | 188 | +1 | +0.6% |
| October 26, 2022 | 187 | +1 | +0.6% |
| October 06, 2022 | 186 | +1 | +0.6% |
| September 08, 2022 | 185 | -4 | -2.2% |
| June 26, 2022 | 189 | +1 | +0.6% |
| June 19, 2022 | 188 | +1 | +0.6% |
| May 10, 2022 | 187 | +2 | +1.1% |
| April 06, 2022 | 185 | +1 | +0.6% |
| March 15, 2022 | 184 | -1 | -0.6% |
| February 21, 2022 | 185 | -6 | -3.2% |
| October 30, 2021 | 191 | +7 | +3.9% |
| August 25, 2021 | 184 | +2 | +1.1% |
| August 24, 2021 | 182 | +1 | +0.6% |
| August 23, 2021 | 181 | +2 | +1.2% |
| August 22, 2021 | 179 | +12 | +7.2% |