BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 44 40.4%
2 Netherlands 20 18.3%
3 United States 12 11%
4 Germany 8 7.3%
5 Hong Kong 8 7.3%
6 Korea, Republic of 6 5.5%
7 France 5 4.6%
8 3 2.8%
9 Czech Republic 2 1.8%
10 New Zealand 1 0.9%