Thousands of years
Before
Centuries
Before
About 90 years
Before
About 22 years
Before
17.75 years
Before
17.5 years
Before
17.25 years
Before
15 years
Before
About 12 to 14 years
Before
7.5 years
Before
About 5 years
Before
6 to 12 months
Before
V1C1
< 2 months
After
A few months
After
Around 4 to 6 months
After
8 months
After
10 to 11 months
After
11 months
After
12 to 14 months
After
18 months
After
20 months
After
About 21 months
After
22 to 23 months
After
23 months
After
About 24.5 months
After
About 25 months
After