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 80 55.9%
2 United States 19 13.3%
3 Netherlands 16 11.2%
4 France 11 7.7%
5 Germany 8 5.6%
6 Hong Kong 3 2.1%
7 Czech Republic 2 1.4%
8 Singapore 2 1.4%
9 Ukraine 1 0.7%
10 Australia 1 0.7%