1. Supplementary variables
   1. Birth data (year, province)
      1. Year
      2. Province
      3. Generation
         1. 1
         2. 2
         3. 3
         4. 4
         5. 5
   2. Education (highest degree obtained)
      1. Country of education
      2. Educational institution
      3. Degree
      4. Discipline
   3. (Death data)
      1. Country
      2. Year
   4. Political affiliation (POL)
      1. POL_C
      2. POL_D
      3. POL_F
   5. Period
      1. 1
      2. 2
      3. 3
      4. 4
      5. 5
2. Filters
   1. Period
      1. 1
      2. 2
      3. 3
      4. 4
      5. 5
   2. Generation
      1. 1
      2. 2
      3. 3
      4. 4
      5. 5
3. Active variables
   1. Minor positions
   2. Major positions
   3. ASSO
      1. Asso_yes
      2. Asso_no
   4. BUSI
      1. Busi_yes
      2. Busi_no
   5. INTEL
      1. Intel_yes
      2. Intel_no
   6. TRAN
      1. Tran_yes
      2. Tran_no
   7. GOV
      1. Gov_yes
      2. Gov_no
   8. MIL
      1. MIL_yes
      2. MIL_no
   9. POL
      1. POL_yes
      2. POL_no
   10. UND