For 12 days, Keisha keeps track of how much water she drinks per day. Results are shown below.
1 1/2 quarts, 2 1/4 quarts, 2 quarts, 1 1/2 quarts, 1 3/4 quarts, 1 1/2 quarts, 1 1/4 quarts, 2 quarts, 2 1/4 quarts, 1 1/2 quarts, 2 quarts, and 1 1/2 quarts.
On how many days did Keisha drink at least the average amount of water?