BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 56 35.9%
2 United States 42 26.9%
3 Netherlands 19 12.2%
4 Germany 14 9%
5 Taiwan 11 7.1%
6 Hong Kong 3 1.9%
7 Canada 2 1.3%
8 Norway 2 1.3%
9 Australia 2 1.3%
10 Belarus 1 0.6%
11 France 1 0.6%
12 Portugal 1 0.6%
13 Russia 1 0.6%
14 Singapore 1 0.6%