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 221 49.1%
2 United States 118 26.2%
3 Germany 41 9.1%
4 Canada 17 3.8%
5 Taiwan 15 3.3%
6 Australia 8 1.8%
7 Hong Kong 7 1.6%
8 France 4 0.9%
9 Netherlands 3 0.7%
10 Norway 3 0.7%
11 Singapore 2 0.4%
12 2 0.4%
13 India 2 0.4%
14 Japan 2 0.4%
15 Macao 1 0.2%
16 New Zealand 1 0.2%
17 Ukraine 1 0.2%
18 United Kingdom 1 0.2%
19 Viet Nam 1 0.2%