BPG致力于知识的发现和传播
Total Visits of This Article
2023 | 总访问次数
排名 国家/地区 数量 占比
1 United States 48 35.6%
2 China 30 22.2%
3 Germany 30 22.2%
4 Russia 8 5.9%
5 Korea, Republic of 5 3.7%
6 France 4 3%
7 Netherlands 4 3%
8 Australia 2 1.5%
9 Singapore 2 1.5%
10 Ukraine 1 0.7%
11 Moldova, Republic of 1 0.7%