BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 131 45.5%
2 United States 93 32.3%
3 Germany 34 11.8%
4 Mexico 10 3.5%
5 Canada 6 2.1%
6 Hong Kong 4 1.4%
7 Moldova, Republic of 2 0.7%
8 Netherlands 2 0.7%
9 Poland 2 0.7%
10 Portugal 2 0.7%
11 Russia 1 0.3%
12 India 1 0.3%