| 1 | Tajikistan | 5 | 56 | Presidentialism | 2 | 2 | 1 | 4 | 4 | 4 | 4 | 2 | 3 | 3 | 3 | 2 | 4 | 4 | 0 | 2 | 2 | 4 | 2 | 4 |
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| 2 | Turkmenistan | 2 | 51 | Presidentialism | 2 | 2 | 2 | 2 | 4 | 4 | 4 | 2 | 3 | 3 | 2 | 2 | 0 | 3 | 4 | 2 | 2 | 2 | 2 | 4 |
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| 3 | Kazakhstan | 23 | 49 | Presidentialism | 2 | 1 | 1 | 0 | 3 | 3 | 4 | 2 | 3 | 4 | 2 | 2 | 0 | 3 | 4 | 3 | 2 | 4 | 2 | 4 |
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| 4 | Belarus | 8 | 48 | President-parliamentarism | 2 | 1 | 2 | 0 | 4 | 1 | 4 | 1 | 3 | 4 | 2 | 2 | 2 | 2 | 4 | 2 | 2 | 4 | 2 | 4 |
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| 5 | Uzbekistan | 12 | 44 | Presidentialism | 2 | 2 | 2 | 4 | 4 | 2 | 0 | 2 | 4 | 4 | 0 | 2 | 0 | 0 | 4 | 2 | 2 | 2 | 2 | 4 |
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| 6 | Russia | 13 | 44 | President-parliamentarism | 2 | 2 | 1 | 0 | 2 | 3 | 4 | 2 | 1 | 0 | 2 | 2 | 3 | 3 | 2 | 2 | 3 | 4 | 2 | 4 |
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| 7 | Ukraine (2010-2014) | - | 43 | President-parliamentarism | 2 | 1 | 1 | 0 | 2 | 2 | 4 | 2 | 3 | 3 | 2 | 2 | 2 | 2 | 0 | 3 | 3 | 3 | 2 | 4 |
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| 8 | Azerbaijan | 7 | 43 | President-parliamentarism | 2 | 2 | 2 | 0 | 4 | 3 | 2 | 2 | 3 | 1 | 2 | 2 | 3 | 3 | 0 | 2 | 2 | 2 | 2 | 4 |
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| 9 | Ukraine (since 2014) | 49 | 34 | Premier-presidentialism | 2 | 1 | 1 | 0 | 2 | 2 | 2 | 0 | 1 | 0 | 2 | 2 | 2 | 2 | 0 | 3 | 3 | 3 | 2 | 4 |
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| 10 | Lithuania | 89 | 31 | Premier-presidentialism | 2 | 1 | 1 | 0 | 2 | 2 | 0 | 2 | 1 | 1 | 0 | 2 | 1 | 1 | 2 | 3 | 3 | 3 | 2 | 2 |
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| 11 | Poland | 80 | 31 | Premier-presidentialism | 2 | 1 | 1 | 0 | 2 | 2 | 2 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 0 | 3 | 0 | 1 | 2 | 4 |
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| 12 | Bulgaria | 78 | 30 | Premier-presidentialism | 2 | 1 | 1 | 0 | 2 | 2 | 2 | 1 | 1 | 1 | 2 | 0 | 0 | 3 | 2 | 2 | 2 | 2 | 2 | 2 |
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| 13 | Slovakia | 90 | 30 | Premier-presidentialism | 2 | 1 | 1 | 0 | 2 | 2 | 2 | 2 | 1 | 0 | 2 | 0 | 2 | 2 | 0 | 2 | 2 | 1 | 2 | 4 |
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| 14 | Czech Republic | 94 | 29 | Premier-presidentialism | 2 | 1 | 1 | 0 | 2 | 2 | 2 | 2 | 1 | 0 | 2 | 2 | 0 | 0 | 0 | 3 | 2 | 1 | 2 | 4 |
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| 15 | Crotia | 83 | 29 | Premier-presidentialism | 2 | 1 | 1 | 0 | 2 | 2 | 0 | 2 | 1 | 3 | 2 | 0 | 0 | 0 | 2 | 2 | 0 | 3 | 2 | 4 |
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| 16 | Romania | 83 | 27 | Premier-presidentialism | 2 | 1 | 1 | 0 | 2 | 2 | 2 | 0 | 1 | 1 | 2 | 0 | 0 | 0 | 2 | 3 | 0 | 3 | 2 | 3 |
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| 17 | Moldova | 61 | 25 | Premier-presidentialism | 2 | 0 | 1 | 0 | 0 | 2 | 0 | 2 | 1 | 1 | 0 | 2 | 1 | 1 | 2 | 3 | 0 | 3 | 2 | 2 |
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| 18 | Estonia | 95 | 24 | Parliamentarism | 0 | 1 | 1 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 2 | 1 | 3 | 3 | 0 | 2 | 0 | 3 | 2 | 3 |
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| 19 | Georgia | 58 | 23 | Parliamentarism | 0 | 1 | 1 | 0 | 0 | 2 | 4 | 2 | 0 | 1 | 0 | 0 | 1 | 1 | 2 | 3 | 0 | 1 | 2 | 2 |
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| 20 | Slovenia | 96 | 23 | Premier-presidentialism | 2 | 1 | 1 | 0 | 2 | 2 | 0 | 0 | 3 | 3 | 0 | 0 | 0 | 0 | 4 | 2 | 0 | 1 | 2 | 0 |
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