31.12.2019  31.12.2018
Number  
Total annual pension   $16,904  $16,793 
Average annual pension   $5,635  $5,598 
Average age   62.8  61.8 
Pensioners and Survivors     
Lifetime Pension     
Number   195  185 
Total annual pension   $1,865,741  $1,793,787 
Average annual pension   $9,568  $9,696 
Average age   72.0  72.2 
Supplemental Pension     
Number   53  48 
Total annual pension   $192,837  $181,563 
Average annual pension   $3,638  $3,783 
Average age   62.1  61.6 
Special Additional Supplemental Pension     
Number   10 
Total annual pension   $19,152  $17,208 
Average annual pension   $1,915  $1,912 
Average age   58.2  58.0