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 107 52.5%
2 United States 45 22.1%
3 Netherlands 16 7.8%
4 Germany 11 5.4%
5 France 10 4.9%
6 Canada 5 2.5%
7 Poland 4 2%
8 Singapore 1 0.5%
9 Bulgaria 1 0.5%
10 Czech Republic 1 0.5%
11 India 1 0.5%
12 Macao 1 0.5%
13 Malaysia 1 0.5%