United Nations Conference on Trade and Development (UNCTAD) releases a quarterly Port Liner Shipping Connectivity Index (PLSCI), giving ports an index-based liner connectivity score.
The following Figure 1 shows a tiered list of ports that are in the top-100 most-connected ports, while the Figure 2 shows a tiered list of ports that are in the bottom-100 for each quarter across 2006-2024.
https://container-news.com/connectivity-increases-benefit-major-ports-sea-intelligences-report/