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 151 42.2%
2 United States 101 28.2%
3 Germany 26 7.3%
4 Canada 23 6.4%
5 Taiwan 22 6.1%
6 Hong Kong 9 2.5%
7 Italy 4 1.1%
8 Lao People's Democratic Republic 2 0.6%
9 New Zealand 2 0.6%
10 Singapore 2 0.6%
11 Switzerland 2 0.6%
12 Turkey 2 0.6%
13 United Kingdom 2 0.6%
14 Ireland 2 0.6%
15 Australia 2 0.6%
16 Belarus 2 0.6%
17 Brazil 1 0.3%
18 1 0.3%
19 United Arab Emirates 1 0.3%
20 Netherlands 1 0.3%