The number of default values

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WITH defs AS (SELECT c.table_schema, t.table_type, c.table_name, c.column_name,  c.data_type, c.domain_schema, c.domain_name, coalesce(c.column_default, domain_default) AS default_value,
CASE WHEN c.column_default IS NOT NULL THEN 'Column default' ELSE 'Domain default' END AS default_type
FROM information_schema.columns AS c LEFT JOIN information_schema.domains d USING (domain_schema, domain_name)
INNER JOIN INFORMATION_SCHEMA.tables AS t  USING (table_schema, table_name)
WHERE c.table_schema NOT IN (SELECT schema_name
FROM INFORMATION_SCHEMA.schemata
WHERE schema_name<>'public' AND
schema_owner='postgres' AND schema_name IS NOT NULL) 
AND (column_default IS NOT NULL OR domain_default IS NOT NULL))
SELECT table_schema, 
Count(DISTINCT (table_schema || '.' || table_name)) AS nr_of_tables,
Count(DISTINCT (table_schema || '.' || table_name)) FILTER (WHERE default_value~*'nextval[(]') AS nr_of_tables_for_surrogate_key,
Count(DISTINCT (table_schema || '.' || table_name)) FILTER (WHERE default_value!~*'nextval[(]') AS nr_of_tables_for_non_surrogate_key,
Count(*) AS nr_of_default_values,
Count(*) FILTER (WHERE default_value~*'nextval[(]') AS nr_for_surrogate_key,
Count(*) FILTER (WHERE default_value!~*'nextval[(]') AS nr_for_non_surrogate_key,
Count(*) FILTER (WHERE NOT (default_value~*'^['']' OR  default_value~*'^(true|false)$' OR default_value~*'^([[:digit:]]|[.])+$' OR default_value~*'^[(]+([[:digit:]]|[.])+[)]+')) AS nr_of_dynamic,
Count(*) FILTER (WHERE (NOT (default_value~*'^['']' OR  default_value~*'^(true|false)$' OR default_value~*'^([[:digit:]]|[.])+$' OR default_value~*'^[(]+([[:digit:]]|[.])+[)]+')) AND default_value!~*'nextval[(]') AS nr_of_dynamic_non_surrogate,
Count(*) FILTER (WHERE default_value~*'^['']' OR  default_value~*'^(true|false)$' OR default_value~*'^([[:digit:]]|[.])+$' OR default_value~*'^[(]+([[:digit:]]|[.])+[)]+') AS nr_of_static
FROM defs
GROUP BY ROLLUP (table_schema);