BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 China 325 40.1%
2 United States 233 28.7%
3 Netherlands 159 19.6%
4 Korea, Republic of 33 4.1%
5 Germany 25 3.1%
6 Canada 10 1.2%
7 Russia 7 0.9%
8 France 6 0.7%
9 India 5 0.6%
10 Singapore 4 0.5%
11 New Zealand 2 0.2%
12 Hong Kong 2 0.2%