Fill in the gaps with much or many.1) Do ____ people

Fill in the gaps with much or many.
1) Do ____ people like to swim in the sea?
2) My sister didn't buy ____ furniture.
3) There isn't ____ traffic in the streets these days.
4) How ____ has been written about car traffic?
5) There aren't ____ people in the park today.
6) People haven't written ____ about it.
7) How ____ cars are equipped with GPS systems?
8) How ____ water do you drink every day?