extension relation counts:
 count |             name              |      base_cv_name       
-------+-------------------------------+-------------------------
    33 | absent_during                 | PSI-MOD
   786 | added_by                      | PSI-MOD
   304 | added_during                  | PSI-MOD
   718 | affected_by                   | PSI-MOD
    15 | coincident_with               | PSI-MOD
     4 | has_direct_input              | PSI-MOD
     6 | in_presence_of                | PSI-MOD
     6 | increased_during              | PSI-MOD
   338 | level_fluctuates_during       | PSI-MOD
     7 | occupancy                     | PSI-MOD
  8300 | present_during                | PSI-MOD
    65 | removed_by                    | PSI-MOD
    60 | removed_during                | PSI-MOD
    14 | required_for                  | PSI-MOD
   651 | during                        | PomGeneExProt
   608 | in_absence_of                 | PomGeneExProt
   626 | in_presence_of                | PomGeneExProt
   727 | during                        | PomGeneExRD
  6532 | during                        | PomGeneExRNA
     4 | in_absence_of                 | PomGeneExRNA
   667 | in_presence_of                | PomGeneExRNA
    25 | occurs_in                     | PomGeneExRNA
   253 | happens_during                | biological_process
   263 | has_input                     | biological_process
   236 | has_regulation_target         | biological_process
    37 | occurs_at                     | biological_process
     7 | occurs_in                     | biological_process
    89 | part_of                       | biological_process
     1 | regulates_activity_of         | biological_process
   400 | coincident_with               | cellular_component
  1818 | exists_during                 | cellular_component
    17 | not_exists_during             | cellular_component
    37 | part_of                       | cellular_component
   546 | assayed_enzyme                | fission_yeast_phenotype
   230 | assayed_substrate             | fission_yeast_phenotype
 19586 | assayed_using                 | fission_yeast_phenotype
 11023 | has_penetrance                | fission_yeast_phenotype
 14226 | has_severity                  | fission_yeast_phenotype
    49 | is_bearer_of                  | fission_yeast_phenotype
     4 | occurs_at                     | fission_yeast_phenotype
 33816 | during                        | gene_ex
     4 | activated_by                  | molecular_function
    38 | directly_negatively_regulates | molecular_function
    28 | directly_positively_regulates | molecular_function
   518 | happens_during                | molecular_function
  2498 | has_direct_input              | molecular_function
    70 | has_input                     | molecular_function
   385 | has_regulation_target         | molecular_function
     1 | not_happens_during            | molecular_function
   134 | occurs_at                     | molecular_function
    77 | occurs_in                     | molecular_function
   815 | part_of                       | molecular_function
     2 | located_in                    | subunit_composition
(53 rows)


number of annotations using extensions by cv:
 count |      base_cv_name       
-------+-------------------------
     2 | subunit_composition
   727 | PomGeneExRD
   783 | biological_process
  1265 | PomGeneExProt
  2102 | cellular_component
  3562 | molecular_function
  7181 | PomGeneExRNA
  9948 | PSI-MOD
 33816 | gene_ex
 40437 | fission_yeast_phenotype
(10 rows)