2000 total gross state production was $46.18 billion (adjusted to inflation), placing it 45th in the nation. Its 2000 per capita personal income was $41,484 (adjusted to inflation), 16th in the nation. Rhode Island has the lowest level of energy consumption per capita of any state. Additionally, Rhode Island is rated as the 5th most energy efficient state in the country. In December 2012, the state's unemployment rate was 10.2%. This has gradually reduced to 3.5% in November 2019, however, the coronavirus pandemic brought the unemployment rate to a high of 18.1% in April 2020. This has since reduced to 10.5% in September 2020 and is projected to further decrease to 7% in October 2020. Health services are Rhode Island's largest industry. Second is tourism, supporting 39,000 jobs, with tourism-related sales at $4.56 billion (adjusted to inflation) in the year 2000. The third-largest industry is manufacturing. Its industrial outputs are submarine construction, shipbuilding, costume jewelry, fabricated metal products, electrical equipment, machinery, and boatbuilding. Rhode Island's agricultural outputs are nursery stock, vegetables, dairy products, and eggs. The largest single product is milk, which in 2017 totaled $4,563,000 in sales. Invasive weeds here are monitored by the . Rhode Island's taxes were appreciably higher than neighboring states', because Rhode Island's income tax was based on 25% of the payer's federal income tax payment. Former Governor Donald Carcieri claimed the higher tax rate had an inhibitory effect on business growth in the state and called for reductions to increase the competitiveness of the state's business environment. In 2010, the Rhode Island General Assembly passed a new state income tax structure that Governor Carcieri signed into law on June 9, 2010. The income tax overhaul has made Rhode Island competitive with other New England states by lowering its maximum tax rate to 5.99% and reducing the number of tax brackets to three. The state's first income tax was enacted in 1971. Largest employers , Rhode Island's largest employers (excluding employees of municipalities) are: Transportation Bus The Rhode Island Public Transit Authority (RIPTA) operates statewide intra- and intercity bus transport from its hubs at Kennedy Plaza in Providence, Pawtucket, and Newport. RIPTA bus routes serve 38 of Rhode Island's 39 cities and towns. (New Shoreham on Block Island is not served). RIPTA operates 58 routes, including daytime trolley service (using trolley-style replica buses) in Providence and Newport. Ferry From 2000 through 2008, RIPTA offered seasonal