Table 3.

The top 10 countries in the field.

Rank	Country	Number of publications	Number of citations	Average citation/publication
1	USA	447	30,589	68.43
2	China	224	4840	21.61
3	UK	121	7841	64.80
4	Germany	112	7778	69.45
5	Australia	105	9538	90.84
6	Canada	93	7478	80.41
7	Netherlands	78	5184	66.46
8	Italy	62	3366	54.29
9	Switzerland	62	4199	67.73
10	France	59	1793	30.39