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 United States 49 41.9%
2 Netherlands 28 23.9%
3 China 17 14.5%
4 Ukraine 6 5.1%
5 Russia 3 2.6%
6 Canada 3 2.6%
7 Spain 2 1.7%
8 France 2 1.7%
9 Germany 2 1.7%
10 India 2 1.7%
11 Korea, Republic of 1 0.9%
12 Morocco 1 0.9%
13 Brazil 1 0.9%