Czechia

1. 1956: Did not take part’56
2. 1957: Did not take part’57
3. 1958: Did not take part’58
4. 1959: Did not take part’59
5. 1960: Did not take part’60
6. 1961: Did not take part’61
7. 1962: Did not take part’62
8. 1963: Did not take part’63
9. 1964: Did not take part’64
10. 1965: Did not take part’65
11. 1966: Did not take part’66
12. 1967: Did not take part’67
13. 1968: Did not take part’68
14. 1969: Did not take part’69
15. 1970: Did not take part’70
16. 1971: Did not take part’71
17. 1972: Did not take part’72
18. 1973: Did not take part’73
19. 1974: Did not take part’74
20. 1975: Did not take part’75
21. 1976: Did not take part’76
22. 1977: Did not take part’77
23. 1978: Did not take part’78
24. 1979: Did not take part’79
25. 1980: Did not take part’80
26. 1981: Did not take part’81
27. 1982: Did not take part’82
28. 1983: Did not take part’83
29. 1984: Did not take part’84
30. 1985: Did not take part’85
31. 1986: Did not take part’86
32. 1987: Did not take part’87
33. 1988: Did not take part’88
34. 1989: Did not take part’89
35. 1990: Did not take part’90
36. 1991: Did not take part’91
37. 1992: Did not take part’92
38. 1993: Did not take part’93
39. 1994: Did not take part’94
40. 1995: Did not take part’95
41. 1996: Did not take part’96
42. 1997: Did not take part’97
43. 1998: Did not take part’98
44. 1999: Did not take part’99
45. 2000: Did not take part’00
46. 2001: Did not take part’01
47. 2002: Did not take part’02
48. 2003: Did not take part’03
49. 2004: Did not take part’04
50. 2005: Did not take part’05
51. 2006: Did not take part’06
52. 2007: Did not qualify’07SF
53. 2008: Did not qualify’08SF
54. 2009: Did not qualify’09SF
55. 2010: Did not take part’10
56. 2011: Did not take part’11
57. 2012: Did not take part’12
58. 2013: Did not take part’13
59. 2014: Did not take part’14
60. 2015: Did not qualify’15SF
61. 2016: Finished 25 of 26’1625
62. 2017: Did not qualify’17SF
63. 2018: Finished 6 of 26’186
64. 2019: Finished 11 of 26’1911
65. 2020: Selected a song; contest cancelled’20
66. 2021: Did not qualify’21SF
67. 2022: Finished 22 of 25’2222
68. 2023: Finished 10 of 26’2310
69. 2024: Did not qualify’24SF
70. 2025: Did not qualify’25SF
71. 2026: Finished 16 of 25’2616
72. 2027: Did not take part’27

• Won
• Top three
• Final
• Last
• Didn't qualify
• Absent

Share of the top possible score, over every set of votes where both countries were in the same show (at least 8 of them). Comparable across scoring systems: 100% means a 12 every single time.