having 12 golfers play with everyone once in 5 rounds
According to the USGA, 16% of golfers (who maintain a handicap) play to an 8 or better. Currently, I'm an 8.
Europe
No, only amateur golfers have handicaps, when a golfer turns professional they no longer play in accordance with the handicap system.
18 in a standard round.
48 in 2010.
Most golfers are professional golfers. However, golf is a well known sport for businessmen. Although some golf clubs may only want highflyers playing at their club, there is no discrimination between who can play golf and who can't.
Yes, most of them do
Approximately 20-25% of golfers break 80 on a consistent basis. This level of play requires a combination of skill, consistent practice, and mental fortitude.
No, only some professional golfers use them. They aren't allowed to use them during tournament play, but even so only some of the golfers use them. Most use their caddies on a daily basis to develop a better relationship.
Darren Clarke and Rory Mcilroy are professional golfers.
Some people are fair weather golfers, they'll only play in perfect conditions, but real golfers play in any weather as they like the game and the additional challenge. I live in Northern Ireland, if I waited for the sun to be splitting the heavens and not even a touch of wind then i'd be lucky to get to play at all.