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 254 49.6%
2 United States 163 31.8%
3 Germany 43 8.4%
4 Netherlands 14 2.7%
5 Canada 6 1.2%
6 Ukraine 4 0.8%
7 Taiwan 3 0.6%
8 Australia 3 0.6%
9 Brazil 3 0.6%
10 Hong Kong 2 0.4%
11 India 2 0.4%
12 Ireland 2 0.4%
13 Turkey 2 0.4%
14 Russia 2 0.4%
15 Singapore 2 0.4%
16 New Zealand 2 0.4%
17 United Kingdom 2 0.4%
18 Peru 1 0.2%
19 Philippines 1 0.2%
20 Finland 1 0.2%