There are no organized data available, however, on road and maritime transport. Target 9.2, which focuses on industrialization, has data for the indicators covered. Target 9.4 has three indicators: 9.4.1 (emissions of carbon-dioxide), 9.4.2 (emissions of carbon dioxide per unit of GDP (purchasing power parity)), and 9.4.3 (emissions of carbon dioxide per unit of manufacturing value added).