a proportion of the Organisation for Economic Co-operation and Development (OECD) Development Assistance Committee donors' gross national income (GNI)". Target 17.3: Mobilize financial resources for developing countries Target 17.3 is formulated as: "Mobilize financial resources for developing countries: Mobilize additional financial resources for developing countries from multiple sources." This target has two Indicators: Indicator 17.3.1: Foreign direct investment, official development assistance and South-South cooperation as a proportion of gross national income Indicator 17.3.2: Volume of remittances (in United States dollars) as a proportion of total GDP Some of the implications of COVID-19 are related to the fall of remittances from $554 to billions by 2019 to US$445 billion on 2020, This situation will affect low and middle income countries as well as poor households. Target 17.4: Assist developing countries in attaining debt sustainability Target 17.4 is formulated as: "Assist developing countries in attaining debt sustainability: Assist developing countries in attaining long-term debt sustainability through coordinated policies aimed at fostering debt financing, debt relief and debt restructuring, as appropriate, and address the external debt of highly indebted poor countries to reduce debt distress." This target has one Indicator: Indicator 17.4.1 is the "Debt service as a proportion of exports of goods and services". Target 17.5: Invest in least-developed countries Target 17.5 is formulated as: "Invest in least developed countries: Adopt and implement investment promotion regimes for least developed countries." This target has one Indicator: Indicator 17.5.1 is the "Number of countries that adopt and implement investment promotion regimes for developing countries, including the least developed countries". "Global foreign direct investment is expected to decline by up to 40% in 2020." Target 17.6: Knowledge sharing and cooperation for access to science, technology and innovation Target 17.6 is formulated as: "Knowledge sharing and cooperation for access to science, technology and innovation: Enhance north-south, south-south and triangular regional and international cooperation on and access to science, technology and innovation and enhance knowledge sharing on mutually agreed terms, including through improved coordination among existing mechanisms, in particular at the united nations level, and through a global technology facilitation mechanism." This target has one Indicator: Indicator 17.6.1 is the "Fixed Internet broadband subscriptions per 100 inhabitants, by speed". (this indicator used to be Number 17.6.2) In 2020 it was proposed to delete the former Indicator 17.6.1 (Number of science and/or technology cooperation agreements and programmes between countries, by type of cooperation). Target 17.7: Promote sustainable technologies