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 183 58.5%
2 United States 40 12.8%
3 Germany 23 7.3%
4 Canada 14 4.5%
5 Taiwan 9 2.9%
6 Malaysia 9 2.9%
7 Ireland 8 2.6%
8 Russia 5 1.6%
9 Singapore 3 1%
10 Japan 3 1%
11 Korea, Republic of 2 0.6%
12 Czech Republic 2 0.6%
13 France 2 0.6%
14 Australia 2 0.6%
15 Brazil 2 0.6%
16 Netherlands 2 0.6%
17 New Zealand 2 0.6%
18 United Arab Emirates 1 0.3%
19 Hong Kong 1 0.3%