Probably since man has been around! People have always helped others out.
The Cnadiam flag has been around for years
It's been around since 1999.
Prejudice has been around since people have been around. Prejudice against Jews has been around since Jews have been around.
over 300 years thanksgiving has been around
Chewing gum has been around for about 900 years now.
how long has deforestation been around
As long as guns have been around.
As long as So Random has been around.
how long has the london eye been around for
If your volunteering is what? If your volunteering is sub-par?
234 years fool
how long have boxing been around?
boner
They have always been around
The protocol for volunteering is after a tribute is reaped, there is a small space of time in which an eligible person may announce that they are to volunteer. For a single person volunteering, it is simple, they take the reaped person's place, the protocol for multiple people volunteering has been described in the books to be "complex" but the actual protocol is unknown.
For as long as there has been written language.
it has been around for a long time.