BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 China 156 34.7%
2 Netherlands 147 32.7%
3 United States 111 24.7%
4 Canada 11 2.4%
5 Germany 8 1.8%
6 Japan 3 0.7%
7 Russia 3 0.7%
8 Taiwan 2 0.4%
9 Brazil 2 0.4%
10 Czech Republic 1 0.2%
11 France 1 0.2%
12 Latvia 1 0.2%
13 Malaysia 1 0.2%
14 Hong Kong 1 0.2%
15 Singapore 1 0.2%
16 Switzerland 1 0.2%