Final answer:
To sort the carriers by their current year's percentage of on-time deliveries, specific data on their on-time delivery rates is needed. The distribution of vessel arrivals can provide insights into which vessel types are more likely to have on-time deliveries. However, this information does not directly answer the question.
Step-by-step explanation:
To sort the carriers in descending order by their current year's percentage of on-time deliveries, you would need specific data on the on-time delivery rates for each carrier in the current year. Unfortunately, the provided information does not include this data. However, it does provide information on the distribution of vessel arrivals and discharge frequency across major vessel types. This information can help determine which types of vessels are more likely to have on-time deliveries.
According to the data, container ships accounted for 23.8% of all US overseas arrivals in the period of 2011-2013. Tankers accounted for 24.9% and bulkers accounted for 17.6%. Passenger ships accounted for 12.5% of arrivals in the period of 1999-2002 but only 9.3% in 2011-2013. Based on this information, it can be inferred that container ships have a smaller proportion of overseas arrivals compared to tankers and bulkers in recent years.
While this information does not provide a direct answer to sorting carriers by their on-time delivery rates, it suggests that tankers and bulkers may have higher percentages of on-time deliveries than container ships. To determine the carriers' on-time delivery rates, additional data specifically related to their current year's performance would be required.