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 317 48.5%
2 United States 128 19.6%
3 Netherlands 79 12.1%
4 Germany 65 10%
5 Canada 17 2.6%
6 Taiwan 16 2.5%
7 France 6 0.9%
8 Hong Kong 3 0.5%
9 Australia 3 0.5%
10 Norway 3 0.5%
11 Ukraine 3 0.5%
12 United Kingdom 2 0.3%
13 Turkey 2 0.3%
14 Korea, Republic of 2 0.3%
15 Bulgaria 2 0.3%
16 Finland 1 0.2%
17 India 1 0.2%
18 Mauritius 1 0.2%
19 Singapore 1 0.2%
20 Sweden 1 0.2%