12. democratic incumbent running - republican challenger
13. democratic incumbent running - other challenger
14. democratic incumbent running - unopposed
19. democratic incumbent running - repub and other challengers
21. republican incumbent running - democratic challenger
23. republican incumbent running - other challenger
24. republican incumbent running - unopposed
29. republican incumbent running - dem and other challengers
31. other incumbent running - democratic challenger
32. other incumbent running - republican challenger
34. other incumbent running - unopposed
35. other incumbent running - democratic, republican challengers
36. other incumbent running -- republican and other challengers
37. other incumbent running -- democratic and other challengers
39. other incumbent running -- democr, republ, other challengers
40. democratic and republican incumbents running - no other cand
41. 2 democratic incumbents running - no other candidate
42. 2 republican incumbents running - no other candidate
43. dem and repub incumbents running - other candidate(s)
44. democratic non-incumbent only - no retiree/unclear who is
45. republican non-incumbent only - no retiree/unclear who is
46. democratic and republican cands - no retiree/unclear who is
47. democratic and other cands - no retiree/unclear who is
48. republican and other cands - no retiree/unclear who is
49. democratic, republican, other cands - no retiree/unclear who
51. dem incumbent not running -- democratic candidate unopposed
52. dem incumbent not running -- republican candidate unopposed
53. dem incumbent not running -- other candidate unopposed
55. dem incumbent not running -- democratic and republican cands
56. dem incumbent not running -- republican and other cands
57. dem incumbent not running -- democratic and other cands
59. dem incumbent not running -- democr, republ, other cands
61. rep incumbent not running -- democratic candidate unopposed
62. rep incumbent not running -- republican candidate unopposed
63. rep incumbent not running -- other candidate unopposed
65. rep incumbent not running -- democratic and republican cands
66. rep incumbent not running -- republican and other cands
67. rep incumbent not running -- democratic and other cands
69. rep incumbent not running -- democr, republ, other cands
71. other incumbent not running -- democratic cand unopposed
72. other incumbent not running -- republican cand unopposed
73. other incumbent not running -- other candidate unopposed
75. other incumbent not running -- democratic, republican cands
76. other incumbent not running -- republican and other cands
77. other incumbent not running -- democratic and other cands
79. other incumbent not running -- democr, republ, other cands
91. rep incumbent not running -democratic and 2 republican cands
92. rep incumbent not running -republican and 2 democratic cands
93. dem incumbent not running -democratic and 2 republican cands
94. dem incumbent not running -republican and 2 democratic cands