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 585 59.6%
2 United States 234 23.8%
3 Germany 48 4.9%
4 Russia 38 3.9%
5 Canada 20 2%
6 Korea, Republic of 19 1.9%
7 Hong Kong 8 0.8%
8 Netherlands 6 0.6%
9 France 5 0.5%
10 United Kingdom 4 0.4%
11 India 3 0.3%
12 Denmark 2 0.2%
13 Brazil 2 0.2%
14 Australia 1 0.1%
15 Austria 1 0.1%
16 Norway 1 0.1%
17 Slovakia 1 0.1%
18 South Africa 1 0.1%
19 Sweden 1 0.1%
20 United Arab Emirates 1 0.1%
21 Viet Nam 1 0.1%