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 49 31%
2 United States 42 26.6%
3 Germany 23 14.6%
4 South Africa 17 10.8%
5 Netherlands 8 5.1%
6 Australia 6 3.8%
7 Hong Kong 4 2.5%
8 France 3 1.9%
9 Russia 2 1.3%
10 India 2 1.3%
11 Ireland 2 1.3%