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 382 54.1%
2 United States 115 16.3%
3 Netherlands 97 13.7%
4 Germany 63 8.9%
5 Canada 18 2.5%
6 France 7 1%
7 Hong Kong 3 0.4%
8 Australia 3 0.4%
9 Korea, Republic of 2 0.3%
10 Norway 2 0.3%
11 Serbia 2 0.3%
12 Singapore 2 0.3%
13 Thailand 2 0.3%
14 Ukraine 2 0.3%
15 United Kingdom 2 0.3%
16 1 0.1%
17 Finland 1 0.1%
18 India 1 0.1%
19 Japan 1 0.1%