6. States Parties shall consider using subregional, regional and international conferences and seminars to promote cooperation and technical assistance and to stimulate discussion on problems of mutual concern, including the special problems and needs of developing countries and countries with economies in transition. 7. States Parties shall consider establishing voluntary mechanisms with a view to contributing financially to the efforts of developing countries and countries with economies in transition to apply this Convention through technical assistance programmes and projects. 8. Each State Party shall consider making voluntary contributions to the United Nations Office on Drugs and Crime for the purpose of fostering, through the Office, programmes and projects in developing countries with a view to implementing this Convention. Article 61. Collection, exchange and analysis of information on corruption 1. Each State Party shall consider analysing, in consultation with experts, trends in corruption in its territory, as well as the circumstances in which corruption offences are committed. 2. States Parties shall consider developing and sharing with each other and through international and regional organizations statistics, analytical expertise concerning corruption and information with a view to developing, insofar as possible, common definitions, standards and methodologies, as well as information on best practices to prevent and combat corruption. 3. Each State Party shall consider monitoring its policies and actual measures to combat corruption and making assessments of their effectiveness and efficiency. Article 62. Other measures: implementation of the Convention through economic development and technical assistance 1. States Parties shall take measures conducive to the optimal implementation of this Convention to the extent possible, through international cooperation, taking into account the negative effects of corruption on society in general, in particular on sustainable development. 50