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 99 51%
2 United States 27 13.9%
3 Netherlands 24 12.4%
4 France 14 7.2%
5 Germany 9 4.6%
6 Canada 4 2.1%
7 Malaysia 4 2.1%
8 Singapore 3 1.5%
9 Korea, Republic of 2 1%
10 Macao 2 1%
11 Russia 1 0.5%
12 Spain 1 0.5%
13 Australia 1 0.5%
14 Czech Republic 1 0.5%
15 Ireland 1 0.5%
16 Japan 1 0.5%