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 481 48.2%
2 United States 201 20.2%
3 Netherlands 148 14.8%
4 Germany 75 7.5%
5 France 40 4%
6 Canada 23 2.3%
7 Norway 7 0.7%
8 Singapore 4 0.4%
9 Ukraine 3 0.3%
10 Hong Kong 3 0.3%
11 Australia 2 0.2%
12 Belgium 2 0.2%
13 Brazil 2 0.2%
14 United Kingdom 2 0.2%
15 Taiwan 2 0.2%
16 India 1 0.1%
17 Korea, Republic of 1 0.1%