Give me a list of Germany's five most recent chancellors, along with the years they were in office.

Here are the five most recent chancellors of Germany:
1. Olaf Scholz (2021 - present)
2. Angela Merkel (2005 - 2021)
3. Gerhard Schröder (1998 - 2005)
4. Helmut Kohl (1982 - 1998)
5. Helmut Kohl (1974 - 1982)