Enough for what? Your sense of vengeance? I don’t know, only you can tell… Enough for rehabilitation? I don’t know, but it is possible. Time needed for rehabilitation varies widely. It’s quite possible the year was enough. One thing we do know is that the Netherlands is heavily in favour of rehabilitation over punishment, since rehabilitation actually forwards society
I’d argue Wh is a complete waste. Just use J, which is the much more established unit.