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 195 45.2%
2 United States 135 31.3%
3 Germany 35 8.1%
4 Canada 23 5.3%
5 Taiwan 9 2.1%
6 Russia 6 1.4%
7 Turkey 4 0.9%
8 Czech Republic 4 0.9%
9 Hong Kong 4 0.9%
10 Netherlands 4 0.9%
11 New Zealand 3 0.7%
12 Malaysia 3 0.7%
13 Singapore 2 0.5%
14 Australia 2 0.5%
15 Ireland 1 0.2%
16 South Africa 1 0.2%