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 58 40.8%
2 United States 28 19.7%
3 France 16 11.3%
4 Netherlands 15 10.6%
5 Russia 12 8.5%
6 Germany 5 3.5%
7 Hong Kong 4 2.8%
8 Australia 2 1.4%
9 Singapore 1 0.7%
10 Czech Republic 1 0.7%