The Charts (Warning: PDF format)
The charts are:
- Number of Cardinals (1585-2020; 1915-2020; and 1965-2020)
 
- Average Age (1585-2020; 1915-2020; and 1965-2020)
Also a few interesting statistics:
- Currently 112 Cardinal Electors of 193 Total
 Average since 1585: 72 Electors of 82 Total
 
- Current Average Age of All Cardinals: 78.48
 Average since 1585: 64.4
 Highest since 1585: 78.54 was in November 2010, just before the last Consistory to Create Cardinals
 If no one dies, we'll tie that around 8 December (in under 3 weeks)
 
- Current Average Age of Cardinal Electors: 72.9
 Average since 1585: 63.7
 
- Current Average Years of Service as a Cardinal: 12.5
 Average since 1585: 11.3
